Bulgaria's government faces a no-confidence motion next week after thousands of people have been left with water shortages over the past two months, leading to public protests.
India faces the worst long-term water crisis in its history and millions of lives and livelihoods could be at risk.
Every day more than 1,000 water tankers rumble past Nagraj's small plywood store in Bangalore, throwing up clouds of dust as they rush their valuable cargo to homes and offices in India's drought-stricken tech hub.
A water crisis in India's capital will take up to two weeks to fix, authorities warned Tuesday, as taps ran dry, days after protesters sabotaged a crucial waterway to press a demand for better treatment for their caste.
Fresh rioting and arson erupted in a north Indian state in caste protests that have left at least 12 people dead, and New Delhi faced a water crisis after mobs shut down a key supply.